18081038191994001

Names of 18081038191994001

• Cardinal: 18081038191994001 can be written as Eighteen quadrillion, eighty-one trillion, thirty-eight billion, one hundred ninety-one million, nine hundred ninety-four thousand and one.

Scientific notation

• Scientific notation: 1.8081038191994001 × 10¹⁶

Factors of 18081038191994001

• Number of distinct prime factors ω(n): 4
• Total number of prime factors Ω(n): 18
• Sum of prime factors: 524

Divisors of 18081038191994001

• Number of divisors d(n): 495
• Complete list of divisors:
  1 3 7 9 21 23 27 49 63 69 81 147 161 189 207 243 343 441 483 491 529 567 621 729 1029 1127 1323 1449 1473 1587 1701 1863 2187 2401 3087 3381 3437 3703 3969 4347 4419 4761 5103 5589 6561 7203 7889 9261 10143 10311 11109 11293 11907 13041 13257 14283 15309 16767 19683 21609 23667 24059 25921 27783 30429 30933 33327 33879 35721 39123 39771 42849 45927 50301 55223 59049 64827 71001 72177 77763 79051 83349 91287 92799 99981 101637 107163 117369 119313 128547 137781 150903 165669 168413 181447 194481 213003 216531 233289 237153 241081 250047 259739 273861 278397 299943 304911 321489 352107 357939 385641 413343 452709 497007 505239 544341 553357 583443 639009 649593 699867 711459 723243 750141 779217 821583 835191 899829 914733 964467 1056321 1073817 1156923 1178891 1270129 1358127 1491021 1515717 1633023 1660071 1687567 1750329 1818173 1917027 1948779 2099601 2134377 2169729 2250423 2337651 2464749 2505573 2699487 2744199 2893401 3168963 3221451 3470769 3536673 3810387 3873499 4473063 4547151 4899069 4980213 5062701 5250987 5454519 5544863 5751081 5846337 6298803 6403131 6509187 6751269 7012953 7394247 7516719 8098461 8232597 9506889 9664353 10412307 10610019 11431161 11620497 11812969 12727211 13419189 13641453 14697207 14940639 15188103 15752961 16363557 16634589 17253243 17539011 18896409 19209393 19527561 20253807 21038859 22182741 22550157 24295383 24697791 27114493 28993059 31236921 31830057 34293483 34861491 35438907 38181633 38814041 40257567 40924359 44091621 44821917 45564309 47258883 49090671 49903767 51759729 52617033 56689227 57628179 58582683 63116577 66548223 67650471 72886149 74093373 81343479 82690783 89090477 95490171 102880449 104584473 106316721 114544899 116442123 120772701 122773077 127531849 132274863 134465751 136692927 141776649 147272013 149711301 155279187 157851099 170067681 172884537 175748049 189349731 202951413 218658447 222280119 244030437 248072349 267271431 271698287 286470513 308641347 313753419 318950163 343634697 349326369 362318103 368319231 382595547 396824589 403397253 410078781 441816039 449133903 465837561 473553297 510203043 518653611 527244147 568049193 578835481 623633339 666840357 732091311 744217047 801814293 815094861 859411539 892722943 925924041 941260257 956850489 1030904091 1047979107 1086954309 1104957693 1147786641 1190473767 1210191759 1230236343 1325448117 1347401709 1420659891 1530609129 1555960833 1581732441 1704147579 1736506443 1870900017 1901888009 2196273933 2232651141 2405442879 2445284583 2578234617 2678168829 2777772123 2823780771 2870551467 3092712273 3143937321 3260862927 3314873079 3443359923 3571421301 3630575277 3690709029 3976344351 4042205127 4667882499 4745197323 5112442737 5209519329 5612700051 5705664027 6249060601 6588821799 6697953423 7216328637 7335853749 7734703851 8034506487 8333316369 8471342313 8611654401 9278136819 9431811963 9944619237 10330079769 10714263903 10891725831 11072127087 11929033053 12126615381 13313216063 14235591969 15337328211 15628557987 16838100153 17116992081 18747181803 19766465397 20093860269 21648985911 22007561247 23204111553 24103519461 24999949107 25414026939 25834963203 27834410457 28295435889 30990239307 32675177493 33216381261 35787099159 36379846143 39939648189 43743424207 46885673961 50514300459 51350976243 56241545409 59299396191 60281580807 64946957733 66022683741 69612334659 72310558383 74999847321 76242080817 77504889609 83503231371 84886307667 92970717921 99649143783 107361297477 109139538429 119818944567 131230272621 140657021883 151542901377 154052928729 168724636227 177898188573 180844742421 194840873199 198068051223 216931675149 228726242451 232514668827 250509694113 254658923001 278912153763 306203969449 327418615287 359456833701 393690817863 421971065649 454628704131 462158786187 506173908681 533694565719 542534227263 584522619597 594204153669 650795025447 697544006481 751529082339 763976769003 836736461289 918611908347 1078370501103 1181072453589 1265913196947 1363886112393 1386476358561 1518521726043 1601083697157 1627602681789 1753567858791 1782612461007 1952385076341 2291930307009 2510209383867 2755835725041 3235111503309 3543217360767 3797739590841 4091658337179 4159429075683 4555565178129 4882808045367 5260703576373 5347837383021 5857155229023 7530628151601 8267507175123 9705334509927 10629652082301 11393218772523 12274975011537 12478287227049 13666695534387 16043512149063 17571465687069 24802521525369 29116003529781 31888956246903 34179656317569 36824925034611 37434861681147 41000086603161 52714397061207 74407564576107 87348010589343 95666868740709 112304585043441 123000259809483 223222693728321 262044031768029 287000606222127 369000779428449 669668081184963 786132095304087 861001818666381 2009004243554889 2583005455999143 6027012730664667 18081038191994001
• Sum of all divisors σ(n): 33142707762890537
• Sum of proper divisors (its aliquot sum) s(n): 15061669570896536
• 18081038191994001 is a deficient number, because the sum of its proper divisors (15061669570896536) is less than itself. Its deficiency is 3019368621097465

Bases of 18081038191994001

• Binary: 1000000001111001001101111000010100110101010010010010001₂
• Hexadecimal: 0x403C9BC29AA491
• Base-36: 4Y16Y9WXW29

Squares and roots of 18081038191994001

• 18081038191994001 squared (18081038191994001²) is 326923942100345692567772419988001
• 18081038191994001 cubed (18081038191994001³) is 5911124282993585946991923700357596195986683982001
• 18081038191994001 is a perfect square number. Its square root is 134465751
• The cube root of 18081038191994001 is 262466.8472331827

Scales and comparisons

• 18,081,038,191,994,001 seconds is equal to 574,921,086 years, 9 weeks, 3 days, 7 hours, 13 minutes, 21 seconds.
• To count from 1 to 18,081,038,191,994,001 would take you about one billion, seven hundred twenty-four million, seven hundred sixty-three thousand, two hundred fifty-eight years!

  This is a very rough estimate, based on a speaking rate of half a second every third order of magnitude. If you speak quickly, you could probably say any randomly-chosen number between one and a thousand in around half a second. Very big numbers obviously take longer to say, so we add half a second for every extra x1000. (We do not count involuntary pauses, bathroom breaks or the necessity of sleep in our calculation!)

• A cube with a volume of 18081038191994001 cubic inches would be around 21872.2 feet tall.

Recreational maths with 18081038191994001

• 18081038191994001 backwards is 10049919183018081
• 18081038191994001 is a Harshad number.
• The number of decimal digits it has is: 17
• The sum of 18081038191994001's digits is 63
• More coming soon!